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Bayesian Treatments for Panel Data Stochastic Frontier Models with Time Varying Heterogeneity

Junrong Liu (), Robin C. Sickles () and Mike Tsionas
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Junrong Liu: Enterprise Risk Solutions, Moody’s Analytics Inc., San Francisco, CA 94105, USA
Robin C. Sickles: Department of Economics, Rice University, Houston, TX 77005, USA

Econometrics, 2017, vol. 5, issue 3, 1-21

Abstract: This paper considers a linear panel data model with time varying heterogeneity. Bayesian inference techniques organized around Markov chain Monte Carlo (MCMC) are applied to implement new estimators that combine smoothness priors on unobserved heterogeneity and priors on the factor structure of unobserved effects. The latter have been addressed in a non-Bayesian framework by Bai (2009) and Kneip et al. (2012), among others. Monte Carlo experiments are used to examine the finite-sample performance of our estimators. An empirical study of efficiency trends in the largest banks operating in the U.S. from 1990 to 2009 illustrates our new estimators. The study concludes that scale economies in intermediation services have been largely exploited by these large U.S. banks.

Keywords: panel data; time-varying heterogeneity; Bayesian econometrics; banking studies; productivity (search for similar items in EconPapers)
JEL-codes: B23 C C00 C01 C1 C2 C3 C4 C5 C8 (search for similar items in EconPapers)
Date: 2017
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